Question

13. Write balanced chemical equations for the following:
(a) Calcium carbonate on reaction with hydrochloric acid gives calcium chloride, water and carbon
dioxide.
(6) Nitrogen reacts with hydrogen under pressure to form ammonia.
(c) Carbon disulphide burns in air to give carbon dioxide and sulphur dioxide.​

Answer 1

Answer:

a. CaCo3+2HCL=CaCl2+H2O+C2

b.N2+3H2=2NH3

c.CS2+3O2=CO2+2SO2

Answer 2

Answer:

Compounds : - Water, Sugar, Salt, Carbon Dioxide, Hydrochloric Acid,

Mixtures : - Soil, Sugar solution, Air, Milk, Brick

All compounds are pure substances.